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    交通性水腦(communicating hydrocephalus)

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    水腦hydrocephalus 神經科
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      TinyNotes last edited by TinyNotes

      簡介

      水腦為大腦內有過多腦脊髓液(CSF),導致腦室異常的擴大的狀況。可以依照腦脊髓液在腦室系統內的流動是否受阻,區分為交通性水腦(communicating hydrocephalus)和非交通性水腦 (non-communicating,或稱為阻塞性水腦)

      病生理機轉

      (1) 腦脊髓液的吸收減少

      • 可能來自蛛網膜下腔或arachnoid granulation的病灶

      (2) 腦脊髓液的產生過多

      • 相對少見,例子如choroid plexus papilloma

      常見的成因

      • 蛛網膜下腔出血

      • 腦膜炎

      • Normal pressure hydrocephalus

      • 腫瘤的腦膜轉移(leptomeningeal seeding)

      • 手術後的併發症

      治療

      • 治療背後的原因

      • 通常需要做CSF的導流手術(shunting),如VP shunt

      Reference

      Thurston M, Gaillard F. Communicating hydrocephalus. Retrieved 2018 Dec 28th from https://radiopaedia.org

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